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Discussion in 'Mac Basics and Help' started by derajfast, Apr 13, 2006.
i have to partition the drive or something before i can boot off the external?
Of course, you need to install OS on it first.
haha well of course
i already have the OS installed on there, but i heard i cant boot off that now with the new intel macs?
i heard something about formatting it as an GPT partition before you can install OS X on it?
someone please help me out here?
"The standard disk partition format on an Intel-based Macintosh computer differs from the disk partition format of a PowerPC-based Macintosh computer. By default, internal hard drives on Intel-based Macintosh computers use the GUID Partition Table (GPT) scheme and external drives use the Apple Partition Map (APM) partition scheme. To create an external USB or FireWire disk that can boot an Intel-based Macintosh computer, select the GPT disk partition scheme option using Apple Disk Utility."